2023 Co-Op Cycles ADV 3.1 Base M
Build
650B/27.5 in × 50 mm
Insights
Average stack and reach vs trend of all-road/gravel bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 567mm |
| Reach | 377mm |
| Stack to Reach Ratio | 1.5:1 |
| Seat Tube Length, C-T | 470mm |
| Top Tube Length, Effective/Horizontal Center | 545mm |
| Top Tube Slope | 12.8deg |
| Head Tube Angle | 71deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 153mm |
| Bottom Bracket Drop | 75mm |
| Bottom Bracket Height | 267mm |
| Chainstay Length | 445mm |
| Chainstay Length Horizontal | 438.6mm |
| Front-Center | 616mm |
| Front-Center Horizontal | 611.4mm |
| Wheelbase | 1050mm |
| Fork Offset/Rake | 50mm |
| Trail | 64.9mm mid/neutral |
| Mechanical Trail | 61.3mm |
| Wheel Flop | 20mm |
| Standover Height | 768.4mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 104mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 97mm |
Base Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 50mm |
| Tire Outer Diameter | 684mm |
| Bike Length with Tires | 1734mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Disc |
Source:https://www.rei.com/product/180598/co-op-cycles-adv-31-bike?sku=1805980004&CAWELAID=120217890015945045&CAGPSPN=pla&CAAGID=111102811377&CATCI=pla-1063798831819&cm_mmc=PLA_Google%7C21700000001700551_1805980004%7C92700059403676407%7CPB%7C71700000075849551&gclid=Cj0KCQjwnrmlBhDHARIsADJ5b_lG33pVVkDW6P1hX1YiY8FeThvas1XbuAius_LHg09LYCU_VQ0ZVSQaAkB1EALw_wcB&gclsrc=aw.ds